The pulsejet's front-facing air intakes are briefly closed during combustion sending all the explosive thrust out the back. The Germans used them in World War II to power V1 Doodlebugs.

The listing was soon pulled, though, with an anonymous buyer swooping quick to snap it up.

Before the auction came to a premature end, bidding stood at $25,000 (£15,700). For a bike this exclusive, that looks this badass, the figure it actually went for is likely to have been much, much higher. Vroom, vroom.

Have a ganders at the next page for more pics of this beautiful beast. ®